power cylinder
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Cylinder head porting — refers to the process of modifying the intake and exhaust ports of an internal combustion engine to improve the quality and quantity of the air flow. Cylinder heads, as manufactured, are usually suboptimal due to design and manufacturing… … Wikipedia
Power steering — helps drivers steer vehicles by augmenting steering effort of the steering wheel. It does this by adding controlled energy to the steering mechanism, so the driver needs to provide only modest effort regardless of conditions. In particular, power … Wikipedia
Cylinder (engine) — Illustration of an engine cylinder with a cross section view of the piston, connecting rod, valves and spark plug. A cylinder is the central working part of a reciprocating engine or pump, the space in which a piston travels. Multiple cylinders… … Wikipedia
Cylinder head — A 302/5.0L Ford cylinder head In an internal combustion engine, the cylinder head (often informally abbreviated to just head) sits above the cylinders on top of the cylinder block. It closes in the top of the cylinder, forming the combustion… … Wikipedia
Cylinder block — A modern passenger car engine block, integrating the crankcase and all cylinders. The cylinder head bolts to the deck surface at top. Many ribs and bosses can be seen on the side of the casting. This block is for a straight six engine … Wikipedia
Cylinder (locomotive) — The motion on the left hand side of 60163 Tornado. The black casting to the left houses the cylinder, in which slides the piston; the piston rod is immediately above the wheel. The cylinders of a steam locomotive are the components that convert… … Wikipedia
Cylinder of Nabonidus — The Nabonidus Cylinder. The Nabonidus Cylinder from Sippar is a long text in which king Nabonidus of Babylonia (556 539 BC) describes how he repaired three temples: the sanctuary of the moon god Sin in Harran, the sanctuary of the warrior goddess … Wikipedia
cylinder — [1] The round chamber or hole in the cylinder block that houses the pistons and where combustion takes place. Also called bore or barrel. [2] Any tube like device. [3] A device which converts fluid power into linear mechanical force and motion.… … Dictionary of automotive terms
power steering — (PS) A steering system using hydraulic pressure to increase the driver s turning effort. As the driver turns the steering wheel, steering effort is reduced. The pressure is used either in the gearbox itself or in a hydraulic cylinder attached to… … Dictionary of automotive terms
power overlap — The time that two or more cylinders of a reciprocating engine are simultaneously on the power stroke. The more cylinders an engine can have on the power stroke, the greater the power overlap and the smoother the operation. Power overlap in one… … Aviation dictionary
power brakes — (PB) A conventional hydraulic brake system that uses engine vacuum to operate a vacuum power piston, the power piston applies pressure to the brake pedal, or in some cases, directly to the master cylinder piston. This system reduces the amount of … Dictionary of automotive terms
